^p&;
Pipe;
Technology;
Center,;
Research;
Institute,;
Baoshan;
Iron;
&;
Steel;
Co.;
,;
Ltd.;
,;
Shanghai;
201900,;
China;
^pJiao;
Tong;
University,;
Shanghai;
200030;
,China;
力学性能测试; 淬火温度; 芯棒钢; H13; 显微组织; 扫描电子显微镜; 光学显微镜; 体视显微镜;